package com.wavehi.interceptor.web.inteceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Author WaveHi
 * @Date 13/11/2021 下午 2:53
 * @Version 1.0
 * @Contact HJBWaveHi@163.com
 * @Description
 */
public class MyInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        Object user = request.getSession().getAttribute("user");
        if(user == null) {
            response.sendRedirect("/toLogin");
        }
        return user != null;
    }

    @Override
    public void postHandle(HttpServletRequest request,
                           HttpServletResponse response, Object handler,
                           ModelAndView modelAndView)
            throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
                                Exception ex)
            throws Exception {
    }
}
